package com.example.demozmq.controller;

public class Test4 {

    public static void main(String[] args) {
        double a = 1.1;
        double b = 2.2;
        Double c = 3.3;
        Double d = 4.4;
        Double e = 5d;
        System.out.println(a + b);
        System.out.println(a + c);
        System.out.println(b + c);
        System.out.println(c + d);
        System.out.println(d + e);
    }
}
